提交代码，增加模型框架选项。

Signed-off-by: zouap <zouap@pcl.ac.cn>

templates/repo/modelmanage/index.tmpl

@@ -292,7 +292,7 @@
 
     function setEngine(modelVersion){
         console.log("modelVersion=" + modelVersion);
-        if(modelVersion.EngineName != null){
+        if(modelVersion.EngineName != null && modelVersion.EngineName != ""){
             srcEngine = modelVersion.EngineName.split('-')[0]
             srcEngine = srcEngine.trim();
             if(srcEngine =='TensorFlow'){